UPSKILL MATH PLUS

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In a city, the weekly observations made in a study on the cost of living index are given in the following table:
 
Cost of living index Number of weeks
\(140-150\) \(5\)
\(150-160\) \(10\)
\(160-170\) \(20\)
\(170-180\) \(9\)
\(180-190\) \(6\)
\(190-200\) \(2\)
Total \(52\)
 
Draw a frequency polygon for the data above (without constructing a histogram)
 
Important!
This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.